Atika Capital Management LLC Q1 2020 Filing
Filed May 14, 2020
Portfolio Value
$521.8B
Holdings
79
Report Date
Q1 2020
Filing Type
13F-HR
All Holdings (79 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | AMZNAMAZON COM INC | 23,000 | $44.8B | 8.59% | |
| 2 | XBISPDR SER TR | 355,000 | $27.5B | 5.27% | Put |
| 3 | MSFTMICROSOFT CORP | 142,000 | $22.4B | 4.29% | |
| 4 | RNGRINGCENTRAL INC | 95,000 | $20.1B | 3.86% | |
| 5 | EHTHEHEALTH INC | 130,000 | $18.3B | 3.51% | |
| 6 | ZLABZAI LAB LTD | 330,000 | $17.0B | 3.26% | |
| 7 | TMUST MOBILE US INC | 202,000 | $16.9B | 3.25% | Call |
| 8 | INSPINSPIRE MED SYS INC | 269,000 | $16.2B | 3.11% | |
| 9 | NFLXNETFLIX INC | 40,500 | $15.2B | 2.91% | |
| 10 | DC4DEXCOM INC | 45,000 | $12.1B | 2.32% | |
| 11 | RETAEURREATA PHARMACEUTICALS INC | 82,000 | $11.8B | 2.27% | |
| 12 | ZMZOOM VIDEO COMMUNICATIONS IN | 80,000 | $11.7B | 2.24% | |
| 13 | TEAMATLASSIAN CORP PLC | 78,000 | $10.7B | 2.05% | Put |
| 14 | CTXSEURCITRIX SYS INC | 71,000 | $10.1B | 1.93% | |
| 15 | ENPHENPHASE ENERGY INC | 288,400 | $9.3B | 1.78% | |
| 16 | COUPEURCOUPA SOFTWARE INC | 65,000 | $9.1B | 1.74% | |
| 17 | RGENREPLIGEN CORP | 93,300 | $9.0B | 1.73% | |
| 18 | IOVAIOVANCE BIOTHERAPEUTICS INC | 291,500 | $8.7B | 1.67% | Call |
| 19 | TNDMTANDEM DIABETES CARE INC | 135,000 | $8.7B | 1.66% | |
| 20 | CTLTEURCATALENT INC | 159,000 | $8.3B | 1.58% | |
| 21 | BATRKUSDLIBERTY MEDIA CORP DEL | 432,200 | $8.2B | 1.58% | |
| 22 | MDBMONGODB INC | 56,500 | $7.7B | 1.48% | |
| 23 | ICUIICU MED INC | 37,000 | $7.5B | 1.43% | Call |
| 24 | TWTRADEWEB MKTS INC | 172,000 | $7.2B | 1.39% | |
| 25 | NVDANVIDIA CORP | 26,000 | $6.9B | 1.31% | |
| 26 | OKTAOKTA INC | 54,500 | $6.7B | 1.28% | |
| 27 | ARNAEURARENA PHARMACEUTICALS INC | 155,000 | $6.5B | 1.25% | |
| 28 | KRTXKARUNA THERAPEUTICS INC | 90,000 | $6.5B | 1.24% | |
| 29 | ARGXARGENX SE | 49,000 | $6.5B | 1.24% | |
| 30 | HRCHILL ROM HLDGS INC | 61,809 | $6.2B | 1.19% | |
| 31 | MLMMARTIN MARIETTA MATLS INC | 32,000 | $6.1B | 1.16% | |
| 32 | DCPHEURDECIPHERA PHARMACEUTICALS IN | 141,000 | $5.8B | 1.11% | |
| 33 | EPAMEPAM SYS INC | 28,650 | $5.3B | 1.02% | |
| 34 | SRPTSAREPTA THERAPEUTICS INC | 51,400 | $5.0B | 0.96% | |
| 35 | DOCUDOCUSIGN INC | 54,000 | $5.0B | 0.96% | |
| 36 | EXASEXACT SCIENCES CORP | 81,000 | $4.7B | 0.90% | |
| 37 | MLB1MERCADOLIBRE INC | 9,600 | $4.7B | 0.90% | |
| 38 | IRTCIRHYTHM TECHNOLOGIES INC | 57,000 | $4.6B | 0.89% | |
| 39 | HEIHEICO CORP NEW | 72,200 | $4.6B | 0.88% | |
| 40 | CICIGNA CORP NEW | 26,000 | $4.6B | 0.88% | |
| 41 | LOWLOWES COS INC | 53,000 | $4.6B | 0.87% | |
| 42 | ISRGINTUITIVE SURGICAL INC | 8,600 | $4.3B | 0.82% | |
| 43 | CVLTCOMMVAULT SYSTEMS INC | 100,000 | $4.0B | 0.78% | Put |
| 44 | ADBEADOBE INC | 12,500 | $4.0B | 0.76% | |
| 45 | THOTHOR INDS INC | 94,100 | $4.0B | 0.76% | Call |
| 46 | SAMBOSTON BEER INC | 10,600 | $3.9B | 0.75% | |
| 47 | ROKUROKU INC | 42,600 | $3.7B | 0.71% | |
| 48 | CRWDCROWDSTRIKE HLDGS INC | 60,500 | $3.4B | 0.65% | |
| 49 | BBIOBRIDGEBIO PHARMA INC | 109,500 | $3.2B | 0.61% | |
| 50 | BIIBBIOGEN INC | 10,000 | $3.2B | 0.61% | |
| 51 | CHRSCOHERUS BIOSCIENCES INC | 195,000 | $3.2B | 0.61% | |
| 52 | ZGZILLOW GROUP INC | 90,000 | $3.1B | 0.59% | Call |
| 53 | BYNDBEYOND MEAT INC | 43,000 | $2.9B | 0.55% | |
| 54 | IGICINTL GNRL INSURANCE HLDNGS L | 350,000 | $2.8B | 0.54% | |
| 55 | DDOGDATADOG INC | 73,400 | $2.6B | 0.51% | |
| 56 | ARVNARVINAS INC | 65,500 | $2.6B | 0.51% | |
| 57 | KMXCARMAX INC | 49,000 | $2.6B | 0.51% | |
| 58 | —BIOHAVEN PHARMACTL HLDG CO L | 74,000 | $2.5B | 0.48% | |
| 59 | NKENIKE INC | 30,000 | $2.5B | 0.48% | |
| 60 | CNCCENTENE CORP DEL | 40,000 | $2.4B | 0.46% | |
| 61 | BDTXBLACK DIAMOND THERAPEUTICS I | 95,000 | $2.4B | 0.45% | |
| 62 | CCSCENTURY CMNTYS INC | 163,000 | $2.4B | 0.45% | |
| 63 | NVTA1EURINVITAE CORP | 150,000 | $2.1B | 0.39% | Call |
| 64 | TPDTEMPUR SEALY INTL INC | 44,000 | $1.9B | 0.37% | |
| 65 | VRTXVERTEX PHARMACEUTICALS INC | 8,000 | $1.9B | 0.36% | |
| 66 | GILDGILEAD SCIENCES INC | 25,000 | $1.9B | 0.36% | Put |
| 67 | RAREULTRAGENYX PHARMACEUTICAL IN | 38,500 | $1.7B | 0.33% | |
| 68 | XYZSQUARE INC | 29,000 | $1.5B | 0.29% | |
| 69 | UNHUNITEDHEALTH GROUP INC | 6,000 | $1.5B | 0.29% | |
| 70 | REGNREGENERON PHARMACEUTICALS | 3,047 | $1.5B | 0.28% | |
| 71 | QTWOQ2 HLDGS INC | 25,000 | $1.5B | 0.28% | Put |
| 72 | GLPGGALAPAGOS NV | 7,300 | $1.4B | 0.27% | |
| 73 | ROSTROSS STORES INC | 16,000 | $1.4B | 0.27% | |
| 74 | ALECALECTOR INC | 50,000 | $1.2B | 0.23% | Call |
| 75 | FIVEFIVE BELOW INC | 15,000 | $1.1B | 0.20% | |
| 76 | QUREUNIQURE NV | 22,000 | $1.0B | 0.20% | |
| 77 | —AVROBIO INC | 60,600 | $942.0M | 0.18% | |
| 78 | NCLHNORWEGIAN CRUISE LINE HLDG L | 60,000 | $658.0M | 0.13% | Put |
| 79 | ADSKAUTODESK INC | 2,000 | $312.0M | 0.06% |